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    • 3. 发明授权
    • Process for the preparation of reactive penicillanic acid and
cephalosporanic acid derivatives
    • 反应性青霉烷酸和头孢烷酸衍生物的制备方法
    • US4171303A
    • 1979-10-16
    • US812735
    • 1977-07-05
    • Magda HuhnGabor SzaboGabor ResofszkiEva Somfai
    • Magda HuhnGabor SzaboGabor ResofszkiEva Somfai
    • C07D499/00C07D499/72C07D501/06C07D499/04C07D501/04
    • C07D499/00
    • This invention relates to a process for the preparation of acid amides having the formula (I) or their salts ##STR1## wherein R.sup.1 is hydrogen or an easily removable ester-forming or salt-forming group, preferably a trialkylamino, trialkylsilyl, trichloroethyl, acetoxymethyl, phenacyl, substituted phenacyl, substituted phenyl or benzyl group,R.sup.2 is hydrogen, alkyl group, alkenyl group, alkyl group having an aryl or heterocyclic (preferably furyl or thienyl)-substituent, an aryl group having an alkyl substituent (preferably xylyl), or an aryl, aralkyl or heterocyclic group, (preferably a phenyl, thienyl, or furyl group) which can have one or more substituents,R.sup.3 is hydrogen, or substituted or unsubstituted aryl, alkyl, cycloalkyl or aralkyl group, andX is a group of one of the formulae ##STR2## according to the invention an amine of the formula (II), ##STR3## wherein R.sup.4 is an easily removable ester-forming group, preferably a trialkylamino, trialkylsilyl, trichloroethyl, acetoxymethyl, phenacyl, substituted phenacyl, substituted phenyl or benzyl group, or a salt formed preferably with an alkali metal or a trialkylamine, is acylated with an ester of the formula (III), ##STR4## wherein R.sup.5 is a substituted or unsubstituted aryl, alkyl, cycloalkyl or aralkyl group, and, if desired, substituents R.sup.4 and/or R.sup.5 of the obtained product can be split off, and/or, if desired, the obtained product is converted into its salt or a salt is converted into the free acid.
    • 本发明涉及一种制备具有式(I)的酸酰胺或其盐(I)的方法,其中R 1是氢或易于除去的形成酯或成盐基团,优选三烷基氨基,三烷基甲硅烷基, 三氯乙基,乙酰氧基甲基,苯甲酰甲基,取代的苯甲酰甲基,取代的苯基或苄基,R2是氢,烷基,烯基,具有芳基或杂环(优选呋喃基或噻吩基) - 取代基的烷基,具有烷基取代基的芳基 二甲苯基)或可具有一个或多个取代基的芳基,芳烷基或杂环基(优选苯基,噻吩基或呋喃基),R 3为氢或取代或未取代的芳基,烷基,环烷基或芳烷基,X 是根据本发明的一种式(II)的式(II)的胺,其中R 4是易于除去的成酯基团,优选三烷基氨基,三烷基甲硅烷基,三氯乙基,乙酰氧基 取代的苯甲酰甲基,取代的苯基或苄基,或优选与碱金属或三烷基胺形成的盐,用式(III)的酯,其中R5是取代或 未取代的芳基,烷基,环烷基或芳烷基,并且如果需要,所得产物的取代基R 4和/或R 5可以被分离,和/或如果需要,将得到的产物转化为其盐或盐被转化 进入游离酸。
    • 4. 发明授权
    • Process for the preparation of reactive penicillanic acid and
cephalosporanic acid derivatives
    • 反应性青霉烷酸和头孢烷酸衍生物的制备方法
    • US4304717A
    • 1981-12-08
    • US36756
    • 1979-05-07
    • Magda HuhnGabor SzaboGabor ResofszkiEva Somfai
    • Magda HuhnGabor SzaboGabor ResofszkiEva Somfai
    • C07C69/353A61K31/43A61K31/545A61K31/546A61P31/04C07D333/24C07D499/00C07D499/12C07D499/72C07D501/06C07D501/20C07D501/22C07D501/26C07D501/28C07D501/32C07D501/34C07D501/60
    • C07D499/00
    • This invention relates to a process for the preparation of acid amides having the formula (I) or their salts ##STR1## wherein R.sup.1 is hydrogen or an easily removable ester-forming or salt-forming group, preferably a trialkylamine, trialkylsilyl, trichloroethyl, acetoxymethyl, phenacyl, substituted phenacyl, substituted phenyl or benzyl group,R.sup.2 is hydrogen, alkyl group, alkenyl group, alkyl group having an aryl or heterocyclic (preferably furyl or thienyl) - substituent, an aryl group having an alkyl substituent (preferably xylyl), or an aryl, aralkyl or heterocyclic group (preferably a phenyl, thienyl, or furyl group) which can have one or more substituents,R.sup.3 is hydrogen, or substituted or unsubstituted aryl, alkyl, cycloalkyl or aralkyl group, andX is a group of one of the formulae ##STR2## according to the invention an amine of the formula (II), ##STR3## wherein R.sup.4 is an easily removable ester-forming group, preferably a trialkylamino, trialkylsilyl, trichloroethyl, acetoxymethyl, phenacyl, substituted phenacyl, substituted phenyl or benzyl group, or a salt formed preferably with an alkali metal or a trialkylamine, is acylated with an ester of the formula (III), ##STR4## wherein R.sup.5 is a substituted or unsubstituted aryl, alkyl, cycloalkyl or aralkyl group, and, if desired, substituents R.sup.4 and/or R.sup.5 of the obtained product can be split off, and/or, if desired, the obtained product is converted into its salt or a salt is converted into the free acid.
    • 本发明涉及一种制备具有式(I)的酸酰胺或其盐(Ⅰ)的方法,其中R1是氢或易于除去的形成酯或成盐基团,优选三烷基胺,三烷基甲硅烷基, 三氯乙基,乙酰氧基甲基,苯甲酰甲基,取代的苯甲酰甲基,取代的苯基或苄基,R2是氢,烷基,烯基,具有芳基或杂环(优选呋喃基或噻吩基) - 取代基的烷基,具有烷基取代基的芳基 二甲苯基)或可具有一个或多个取代基的芳基,芳烷基或杂环基(优选苯基,噻吩基或呋喃基),R 3为氢或取代或未取代的芳基,烷基,环烷基或芳烷基,X为 根据本发明的一组式(IMAGE),式(II)的胺,其中R 4是易于除去的酯形成基团,优选三烷基氨基,三烷基甲硅烷基,三氯乙基,乙酰氧基 乙基,苯甲酰甲基,取代的苯甲酰甲基,取代的苯基或苄基,或优选与碱金属或三烷基胺形成的盐,用式(III)的酯,其中R5是取代或 未取代的芳基,烷基,环烷基或芳烷基,并且如果需要,所得产物的取代基R 4和/或R 5可以被分离,和/或如果需要,将得到的产物转化为其盐或盐被转化 进入游离酸。
    • 8. 发明授权
    • Process for the preparation of propargyl amines
    • 炔丙胺的制备方法
    • US4564706A
    • 1986-01-14
    • US514149
    • 1983-07-14
    • Zoltan EcseryEva SomfaiJudit Hermann nee VorosLajos NagyGabor SzaboOtto OrbanLaslzo Arvai
    • Zoltan EcseryEva SomfaiJudit Hermann nee VorosLajos NagyGabor SzaboOtto OrbanLaslzo Arvai
    • C07C67/00C07C209/00C07C209/08C07C211/63C07C87/28C07C85/04
    • C07C209/08
    • The invention relates to a new process for the preparation of propargyl ammonium chlorides of the Formula I ##STR1## by alkaline decomposition of the d-tartarate of the 1-isomer of an amine of the Formula II ##STR2## and subsequent reaction of the amine of the Formula II with a halide of the Formula IIIX--CH.sub.2 --C.tbd.CH (III)in the presence of an organic solvent, alkali and waterin which in Formulae II and III respectively,n is 1 or 0 andX stands for halogenwhich comprises reacting the d-tartarate of the 1-isomer of an amine of the Formula II in aqueous suspension with an alkali, dissolving the base of the Formula II, thus set free without isolation in a water non-miscible organic solvent and reacting the same in the said phase with a halide of the Formula III, and thereafter--preferably after separating the aqueous layer--reacting the mixture which contains the amines of the Formulae II and IV ##STR3## in the organic phase in the presence of water with an organic acid or a solution which has a pH value of 1.5-6 and consists of an inorganic acid and water, thus dissolving in the two-phase mixture formed the salt of the amine of the Formula II in the aqueous layer and selectively separating the amine of the Formula II from the amine of the Formula IV, and thereafter adding after the separation of the phases hydrogen chloride to the amine of the Formula IV being in the organic phase and thus precipitating the salt of the Formula I.The compounds of Formula I are known pharmaceutical active ingredients. The advantage of the process of the present invention that it is highly economical and enables the recovery of the starting materials on large scale production too.
    • 本发明涉及通过碱式分解通式II(XIIX)的胺的1-异构体的d-酒石酸来制备式I的炔丙基氯化铵的新方法(I) 和随后的式II的胺与式III的X-CH 2 -C 3 CH 3(III)的卤化物在有机溶剂,碱和水的存在下分别反应,其中式II和III分别为n为1 或0和X表示卤素,其包括使式II的胺的1-异构体在水悬浮液中与碱反应,溶解式II的碱,因此在不分离的情况下在水中非游离 在所述相中与其反应,与式III的卤化物反应,然后优选在将含有式II和IV的胺的混合物(IV)的水层分离成 在有机酸存在下的有机相 或pH值为1.5-6且由无机酸和水组成的溶液,因此溶解在两相混合物中形成水性层中式II的胺的盐,并选择性地分离 式II的式II化合物,然后在将相氯化氢分离为式IV的胺之后加入有机相,由此沉淀式I的盐。式I的化合物是已知的 药用活性成分。 本发明方法的优点是高度经济且能够在大规模生产中回收原料。